JP7431174B2 - 高温空気導入を用いたスルーエア乾燥システムおよび方法 - Google Patents

高温空気導入を用いたスルーエア乾燥システムおよび方法 Download PDF

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Publication number
JP7431174B2
JP7431174B2 JP2020561050A JP2020561050A JP7431174B2 JP 7431174 B2 JP7431174 B2 JP 7431174B2 JP 2020561050 A JP2020561050 A JP 2020561050A JP 2020561050 A JP2020561050 A JP 2020561050A JP 7431174 B2 JP7431174 B2 JP 7431174B2
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Prior art keywords
air
heated
tad
heated air
heat exchanger
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English (en)
Japanese (ja)
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JP2021529921A5 (enExample
JP2021529921A (ja
Inventor
ジェクター・ミハイル・ワイ
ジューイット・デニス・エドワード
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Valmet Inc
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Metso Paper USA Inc
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Publication of JP2021529921A publication Critical patent/JP2021529921A/ja
Publication of JP2021529921A5 publication Critical patent/JP2021529921A5/ja
Priority to JP2024014003A priority Critical patent/JP7723769B2/ja
Application granted granted Critical
Publication of JP7431174B2 publication Critical patent/JP7431174B2/ja
Priority to JP2025129316A priority patent/JP2025156495A/ja
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/028—Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • F26B13/16—Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning perforated in combination with hot air blowing or suction devices, e.g. sieve drum dryers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/10—Temperature; Pressure
    • F26B21/25—
    • F26B21/35—
    • F26B21/37—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Microbiology (AREA)
  • Sustainable Development (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Air Supply (AREA)
  • Processing Of Solid Wastes (AREA)
JP2020561050A 2018-05-01 2019-01-22 高温空気導入を用いたスルーエア乾燥システムおよび方法 Active JP7431174B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024014003A JP7723769B2 (ja) 2018-05-01 2024-02-01 高温空気導入を用いたスルーエア乾燥システムおよび方法
JP2025129316A JP2025156495A (ja) 2018-05-01 2025-08-01 高温空気導入を用いたスルーエア乾燥システムおよび方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862665120P 2018-05-01 2018-05-01
US62/665,120 2018-05-01
PCT/US2019/014505 WO2019212612A1 (en) 2018-05-01 2019-01-22 Through air drying systems and methods with hot air injection

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2024014003A Division JP7723769B2 (ja) 2018-05-01 2024-02-01 高温空気導入を用いたスルーエア乾燥システムおよび方法

Publications (3)

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JP2021529921A JP2021529921A (ja) 2021-11-04
JP2021529921A5 JP2021529921A5 (enExample) 2021-12-16
JP7431174B2 true JP7431174B2 (ja) 2024-02-14

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JP2024014003A Active JP7723769B2 (ja) 2018-05-01 2024-02-01 高温空気導入を用いたスルーエア乾燥システムおよび方法
JP2025129316A Pending JP2025156495A (ja) 2018-05-01 2025-08-01 高温空気導入を用いたスルーエア乾燥システムおよび方法

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JP2025129316A Pending JP2025156495A (ja) 2018-05-01 2025-08-01 高温空気導入を用いたスルーエア乾燥システムおよび方法

Country Status (6)

Country Link
US (2) US10712090B2 (enExample)
EP (1) EP3788312A4 (enExample)
JP (3) JP7431174B2 (enExample)
CN (3) CN112219080A (enExample)
CA (1) CA3092024A1 (enExample)
WO (1) WO2019212612A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7431174B2 (ja) 2018-05-01 2024-02-14 ヴァルメット・インコーポレーテッド 高温空気導入を用いたスルーエア乾燥システムおよび方法
CN112853666B (zh) * 2021-02-09 2024-12-24 连云港连旭机械有限公司 加湿烘干冷却一体式的摇粒机
JP7702747B2 (ja) * 2023-08-24 2025-07-04 クリーン・テクノロジー株式会社 熱風式乾燥装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020069551A1 (en) 2000-09-18 2002-06-13 Ross Russell F. Method of drying a web
US20040118009A1 (en) 2002-12-20 2004-06-24 Metso Paper Usa, Inc. Method and apparatus for adjusting a moisture profile in a web
US20050132598A1 (en) 2003-12-19 2005-06-23 Kimberly-Clark Worldwide, Inc. Method and system for heat recovery in a throughdrying tissue making process
US20070199202A1 (en) 2006-02-27 2007-08-30 Solomon-Gunn Margaret E System and method for mixing distinct air streams
JP2008101283A (ja) 2006-10-17 2008-05-01 Kao Corp 嵩高紙の製造方法
US20140223765A1 (en) 2011-09-21 2014-08-14 Trützschler Nonwovens Gmbh Heating system for warming a gaseous treatment medium for a dryer

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303576A (en) * 1965-05-28 1967-02-14 Procter & Gamble Apparatus for drying porous paper
CA937045A (en) * 1969-08-18 1973-11-20 Dominion Engineering Works Integrated drying processes and apparatus
GB1519265A (en) * 1975-04-09 1978-07-26 Valmet Oy Method and apparatus for treatment of a web in order to adjust the moisture content thereof
CA1066498A (en) * 1976-01-21 1979-11-20 Dominion Engineering Works Limited Paper web streak drying system
GB2099970B (en) * 1981-04-27 1985-12-11 Kimberly Clark Ltd Drying paper webs
DE3120738A1 (de) * 1981-05-25 1982-12-09 Windmöller & Hölscher, 4540 Lengerich Verfahren und vorrichtung zum trocknen von bedruckten oder beschichteten bahnen.
US4365425A (en) * 1981-06-09 1982-12-28 Scott Paper Company Controlled curing of air-permeable bonded webs
US4481722A (en) * 1982-06-23 1984-11-13 Kimberly-Clark Corporation System for protecting a rotary dryer from thermal stress
JPS6081393A (ja) * 1983-10-12 1985-05-09 川崎重工業株式会社 抄紙機乾燥部の廃熱回収装置
JPS6197069A (ja) * 1984-10-19 1986-05-15 Nissan Motor Co Ltd 塗装用熱風乾燥炉
FI79156C (fi) * 1988-03-08 1989-11-10 Valmet Paper Machinery Inc Foerfarande i en integrerad ir-tork/yankeekaopa och ir-tork/yankeekaopa.
US5465504A (en) * 1994-04-08 1995-11-14 James River Paper Company, Inc. System for modifying the moisture profile of a paper web
US5416979A (en) * 1994-04-11 1995-05-23 James River Paper Company, Inc. Paper web dryer and paper moisture profiling system
US5553391A (en) * 1995-06-05 1996-09-10 Bakalar; Sharon F. Method and apparatus for heat treating webs
US5584190A (en) * 1995-09-25 1996-12-17 Cole; Ronald A. Freezer with heated floor and refrigeration system therefor
DE19806427A1 (de) * 1998-02-17 1999-08-19 Fleissner Maschf Gmbh Co Luftmischer zum statischen Vermischen von zwei Luftströmungen
FI110622B (fi) * 1998-04-30 2003-02-28 Metso Paper Inc Menetelmä ja laite jenkkisylinterin kattavan huuvan kuivatuskapasiteetin parantamiseksi
US6314659B1 (en) * 1999-12-14 2001-11-13 Valmet Inc. Device and method for protecting a carrying fabric
US6383391B1 (en) * 2000-07-28 2002-05-07 Dais-Analytic Corporation Water-and ion-conducting membranes and uses thereof
FI111092B (fi) * 2001-06-26 2003-05-30 Metso Automation Oy Menetelmä kuivatuskaasun puhaltamiseksi paperirainaa vasten ja paperikoneen päällepuhalluskuivatin
FI20020159A7 (fi) 2002-01-29 2003-07-30 Metso Paper Inc Pinnan muokkauslaite ja laitetta käyttävä menetelmä päällystetyn tai päällystämättömän kuiturainan viimeistelemiseksi
US6869506B2 (en) * 2002-11-22 2005-03-22 Metso Paper Karlstad Aktiebolag (Ab) Apparatus for dewatering a paper web and associated system and method
WO2005085730A2 (en) * 2004-03-02 2005-09-15 Nv Bekaert Sa Infrared drier installation for passing web
SE529130C2 (sv) * 2004-05-26 2007-05-08 Metso Paper Karlstad Ab Pappersmaskin för framställning av mjukpapper, metod för framställning av mjukpapper samt mjukpapper
AT413709B (de) * 2004-06-28 2006-05-15 Andritz Ag Maschf Vorrichtung zum kontinuierlichen trocknen einer faserstoffbahn
US7716850B2 (en) * 2006-05-03 2010-05-18 Georgia-Pacific Consumer Products Lp Energy-efficient yankee dryer hood system
US8152967B2 (en) * 2006-08-25 2012-04-10 Graf Edwin X Process and machine for making air dried tissue
JP2011106723A (ja) * 2009-11-17 2011-06-02 Panasonic Corp 乾燥装置
JP5457811B2 (ja) * 2009-12-07 2014-04-02 富士フイルム株式会社 光学フィルムの製造方法
DE102012010776A1 (de) * 2011-06-03 2012-12-06 Claus-Dieter Grapengiesser Glühofen
CN103574630B (zh) * 2012-07-19 2016-08-03 中国电力工程顾问集团华东电力设计院有限公司 提高火电厂烟囱排烟温度的方法及烟气加热系统和火电机组
CN103453751B (zh) * 2013-08-30 2015-10-21 合肥禾盛新型材料有限公司 一种高热废气能源利用系统
CN103821025B (zh) * 2013-12-16 2017-04-12 广西大学 以黑液气化气为燃料的纸幅热风干燥方法及系统装置
FR3016374B1 (fr) * 2014-01-15 2016-01-29 Andritz Perfojet Sas Procede et installation de sechage d'un voile humide
CN204963517U (zh) * 2015-09-10 2016-01-13 丁德华 一种空气源恒温恒湿挂面烘干热回收机组
CN105258518A (zh) * 2015-11-11 2016-01-20 中国中轻国际工程有限公司 烟道气的热回收工艺及系统
ITUB20155480A1 (it) * 2015-11-11 2017-05-11 Coramtex Srl Macchina asciugatrice di tessuto e metodo di asciugatura di tessuto
JP6667353B2 (ja) * 2016-04-12 2020-03-18 デュプロ精工株式会社 湿紙乾燥方法および古紙再生処理装置
JP6304438B1 (ja) * 2017-08-21 2018-04-04 王子ホールディングス株式会社 熱風乾燥装置及びそれを用いた薄葉紙の製造方法
JP7431174B2 (ja) * 2018-05-01 2024-02-14 ヴァルメット・インコーポレーテッド 高温空気導入を用いたスルーエア乾燥システムおよび方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020069551A1 (en) 2000-09-18 2002-06-13 Ross Russell F. Method of drying a web
US20040118009A1 (en) 2002-12-20 2004-06-24 Metso Paper Usa, Inc. Method and apparatus for adjusting a moisture profile in a web
US20050132598A1 (en) 2003-12-19 2005-06-23 Kimberly-Clark Worldwide, Inc. Method and system for heat recovery in a throughdrying tissue making process
US20070199202A1 (en) 2006-02-27 2007-08-30 Solomon-Gunn Margaret E System and method for mixing distinct air streams
JP2008101283A (ja) 2006-10-17 2008-05-01 Kao Corp 嵩高紙の製造方法
US20140223765A1 (en) 2011-09-21 2014-08-14 Trützschler Nonwovens Gmbh Heating system for warming a gaseous treatment medium for a dryer

Also Published As

Publication number Publication date
EP3788312A4 (en) 2021-12-29
EP3788312A1 (en) 2021-03-10
JP7723769B2 (ja) 2025-08-14
CN120846043A (zh) 2025-10-28
CA3092024A1 (en) 2019-11-07
US20200300544A1 (en) 2020-09-24
WO2019212612A1 (en) 2019-11-07
JP2024036457A (ja) 2024-03-15
CN112219080A (zh) 2021-01-12
JP2025156495A (ja) 2025-10-14
CN120740278A (zh) 2025-10-03
JP2021529921A (ja) 2021-11-04
US10712090B2 (en) 2020-07-14
US11150019B2 (en) 2021-10-19
US20190339009A1 (en) 2019-11-07

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